diff --git a/google/cloud/bigquery/client.py b/google/cloud/bigquery/client.py
index 651f0263e..52ddffe7d 100644
--- a/google/cloud/bigquery/client.py
+++ b/google/cloud/bigquery/client.py
@@ -177,7 +177,10 @@ def __init__(
         client_options=None,
     ):
         super(Client, self).__init__(
-            project=project, credentials=credentials, _http=_http
+            project=project,
+            credentials=credentials,
+            client_options=client_options,
+            _http=_http,
         )
 
         kw_args = {"client_info": client_info}
diff --git a/setup.py b/setup.py
index b00b2cbe5..fe6143557 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@
 dependencies = [
     'enum34; python_version < "3.4"',
     "google-api-core >= 1.21.0, < 2.0dev",
-    "google-cloud-core >= 1.1.0, < 2.0dev",
+    "google-cloud-core >= 1.4.1, < 2.0dev",
     "google-resumable-media >= 0.5.0, < 2.0dev",
     "six >=1.13.0,< 2.0.0dev",
 ]